Change of direction and supervision

M

Hi all,
As we all know, research changes and develops as you go along (I am in my first year), but to what extent does this impact on the role of your superviser? For example, if your superviser is interested in what your original proposal area, but for various reasons you have moved away from that and more towards a completely different area seemingly outside of their interests?
I wondered if this is common, and what experiences others have had with it? I don't want to change my superviser as they are very supportive and they haven't expressed to me that they are no longer interested, however it's just obvious it isn't what they thought it would be, and I feel that I am way out of their research interest area now.

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